Mallory Sonalert SCE 30mm Alarms with Electronic Volume Control

Mallory Sonalert SCE 30mm Alarms with Electronic Volume Control enable the selection of sound level by equipment controller or electronic circuitry. These 30mm alarms come in two models. The first set of models offers one sound type, which can be electronically changed between three different sound levels at any time. The second set of models offers two sound types with two different sound levels. Mallory Sonalert SCE 30mm Alarms are available in continuous, fast pulse, slow pulse, and medium pulse sounds. The SCE electronic volume control alarms operate at -40°C to +85°C temperature range. These 30mm alarms are CUL and UL approved.